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Species: Gobiosoma hildebrandi, Hildebrand's goby

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lower head - 5 oblique bars
body: strong bars
midline - row dark spots
D2 10-11
no head barbels
genital papilla notched

Gobiosoma hildebrandi (Ginsburg, 1939)

Hildebrand's goby

Body robust; head almost round; snout blunt, slopes abruptly down at front; narrow between eyes (< ½ eye diameter); head without barbells;  mouth oblique;  upper lip separated from snout by a groove along its top edge; upper and lower jaws with 3-4 rows of teeth, outer and inner enlarged; no teeth on sides of roof of mouth; tongue round to blunt; front nostril tubular, rear with raised rim; dorsal fin VII (first 2 of males prolonged) + I, 11 (10-11) rays; anal I, 10 (9-10) rays; pectoral rays 17 (16-18); pelvics fused in disc; genital papilla broad, 2-lobed in male, notched & fringed in female; body scales large, rough, body completely scaled behind a line under of center of soft dorsal, with a triangular extension of scales forwards along midflank under pectoral to its base; scales in 25-28 longitudinal rows; 4-6 large very rough scales on base of tail fin; head scaleless.

Light brown; ~ 6 forward-sloping wide dark bars on body, with narrow dark bars in between, centers of bars with a series of longitudinal dashes along midside; head with a 5 oblique, forward-pointing bars under and behind eyes on  preopercle, and operculum; pectoral base with short bar, a spot at top & bottom bases of pectoral fin, joined by a narrow row of pigment; fins dusky, pelvics darker in males; dorsal & anal with 1-2 stripes along entire midline; tail with faint wavy bars in female.

Size: 4.6 cm TL

Habitat: fresh and brackish water, with mud/rock substrate

Depth: 0-6 m.

The W Atlantic coast of Panama; Jamaica; Barbados; also at the Pacific entrance to the Panama Canal.


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Salinity
  • Non Marine
  • Brackish
  • Freshwater
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
Habitat
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Freshwater
  • Soft bottom only
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • Mobile benthic gastropods/bivalves
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
  • Mobile benthic worms
Egg Type
  • No data
  • Pelagic larva
  • Benthic
Global Endemism
  • All species
  • TEP non-endemic
  • Exotic (Introduced)
Regional Endemism
  • All species
  • Continent only
  • Tropical Eastern Pacific (TEP) non-endemic
  • Continent
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Vulnerable
  • Listed
CITES
  • Not listed
Length Max
  • 4.6
Depth Range Min
  • 0
Depth Range Max
  • 6